Question

Do these

a) Add

9ay + 3by – cz and 5ay – 7by + 5cz



b) Subtract 2xy + 4yz – 5zx from 7xy - 2yz + 3 zx​

Answer 1

Answer:

1.) 9ay + 5ay + 3by - 7by - cz + 5cz

14ay - 4by + 4cz

Hope it was helpful !!

Step-by-step explanation:

And the next ones solution is

2.) 7xy - 2yz + 3zx - ( 2xy + 4yz - 5zx )

7xy - 2yz + 3zx - 2xy - 4yz + 5zx

7xy - 2yz - 4yz + 3zx + 5zx + 5zx

7xy -6yz + 13zx

Hope it was helpful !!